# -*- coding: utf-8 -*-

"""
@Datetime: 2019/5/21
@Author: Zhang Yafei
"""


def func(a, d, b=22, c=33):
    result = a + b + c
    print(a)
    print(b)
    print(c)
    print(d)
    print("result=%d" % result)


func(11, 22, b=12)
func(33, 33)
func(d=44, a=11, c=44)